After the thunder beast that was responsible for rushing to the front was targeted, the Zerg's advance slowed down again.

Even the Thunderbeast's armor can't withstand the Mecha Hunter's Phase Fragmentation Cannon, so the other Worm units can't withstand the fire of this antimatter armor-piercing projectile.

The mecha hunters who towered over the city like skyscrapers were incomprehensible, and the strength of the spine spine was like a toothpick in front of these giant mechas, even if they were shot dozens of them, it was not too threatening.

The acidic saliva of cockroaches has a good corrosive effect on the armor of the Mech Hunters, but they are even more vulnerable to the Phase Fragmentation Cannon than the Thunderbeasts, and the Mech Hunters are like whack-a-moles, and once they emerge from the ground, they will surely die.

At the same time, there are steel worms like the Drillbeast underground, sucking the buried cockroaches into the jagged knives like whales devouring fish and shrimp, and crushing them along with the rocks to chew them, and the heavy carapace of the cockroaches becomes meaningless in front of the Drillbeast's steel teeth and iron mouth.

After successfully destroying all the thunder beasts that had broken into the city of Shanghai, and re-consolidating the defensive line, the defenders on the city walls could prepare to retreat.

Under the continuous impact of the insect tide, the defenders on the city wall were gradually unable to support it, and the corpses of the jumping insects in front of them had long been piled up, and the falling magazines and shells were spread all over the ground.

"Wang Lei, it's okay, withdraw to the city!" Qiao Lu ordered.

"Okay, prepare to retreat!"

Wang Lei finished the last magazine of the heavy pulse rifle in one go, pulled out his pistol and fired while retreating.

The Peacekeeper's revolver is still very powerful, and a single shot can break the forelimbs of the jumping worm. But without the rate of fire of the Heavy Pulse Rifle, more and more hoppers climbed the walls, and it was clear that they could not stop them from taking over the place.

More Zerg airdrop bags fell in the sky, bringing a new batch of thunder beasts and cockroaches, ready to cooperate with a large number of jumping insects that successfully climbed over the city wall to attack the Shanghai fortress again.

At this time, in order to cover the retreat of the troops on the city wall, a large number of nuclear bombs were being launched from nearby cities, and almost less than a minute after the group of thunder beasts and cockroaches landed, a round of nuclear bomb washing began.

Countless mushroom clouds rose in an instant, and the light of the nuclear explosion illuminated the entire night sky into a red color like a fiery cloud, and a huge shock wave swept the entire ground, and the violent vibration was like a giant fist constantly hitting the earth from space.

In order to ensure the effective killing of alien insects, including thunderbeasts, the first round of nuclear bombing was immediately followed by a second round of carpet bombing.

If one nuclear bomb doesn't kill, it's another one!

Under the bombardment of such multiple nuclear bombs, even the Thunder Beast could not be spared, compared to the surrounding insects, that is, it could still leave a whole corpse, and it was not directly blown up to ashes.

Taking advantage of the fact that the nuclear explosion temporarily blocked the insect swarm outside, Wang Lei led the defenders on the city wall to quickly evacuate to the urban area of Shanghai, avoiding the doom of being directly overwhelmed by the endless insect tide.

"Thank you for your hard work." Qiao Lu said to the soldiers who had retreated from the city walls.

If it weren't for the fact that they were guarding the city wall to block the large number of insects, the operation to hunt the thunder beasts would not have gone so smoothly.

But the swarm is coming back soon, and now is not the time to relax.

However, just when the coalition government decided that this wave of nuclear bombs would be enough to temporarily wipe out all the insects that landed, the unexpected happened.

After the light of the nuclear explosion slowly dissipated, countless huge insect cocoons quietly appeared in the dust filled with radioactive materials, which grew from the corpse of the originally dead thunder beast.

These cocoons are covered with dense pores, and they greedily inhale the radioactive materials around them, as if they can draw nutrients from these nuclear radiation pollutions, and they don't know what is being born inside.

"What the hell?"

Renault, who has been in a lot of battles, has never seen this phenomenon, and it looks really bad.

At this time, Dr. Grace, who was in charge of studying the insects, suddenly reacted and said, "It's the thunder beast's strengthened immune system!" They are absorbing the radioactive material from the nuclear explosion and using it to convert into nutrients for themselves! ”

"What?"

Hearing her say this, Qiao Lufang remembered that in the plot of the Heart of the Swarm, the Thunder Beast had a branching xenomorph, which was formed by absorbing the radioactive material of human beings by genetic mutation.

The characteristic of this mutant thunder beast is that it turns into a cocoon and quickly resurrects after death, which is exactly how it appears in front of their eyes.

Originally, it was decided to carry out a saturation nuclear bomb bombing to ensure that it could kill the Thunder Beast, but he didn't expect that the excess radioactive material produced would instead contribute to the mutation and evolution of the Thunder Beast, so that it could be reborn in the nuclear explosion.

Purple mutated thunderbeasts burst out of the dust of the nuclear explosion, and it was clear that the nuclear explosion would no longer pose any threat to them.

Even the radioactive material that contaminated the land was frantically absorbed by them, making it even larger and more capable of cocooning and rebirth.

Although thanks to them, the pollution of the Wandering Earth by the nuclear explosion was minimized, but at this time, it was obviously not the first consideration of environmental pollution, and the already powerful thunder beast was now even more tricky.

The voice of the Queen of Blades sounded in the sky again: "The insects are constantly adapting and evolving, and every minute of the battle with you, the insect swarm is getting stronger, how long can you hold out?" ”

A large number of airdrop bags fell from space like dumplings, making the fungus carpet that had been cleaned once instantly lively again.

As mentioned before, as long as the hive fleet has not been destroyed, the swarm can come back no matter how many times, and in order to cover the retreat of the troops on the city wall, this wave of saturation nuclear bombing will make the next wave of attack of the swarm more fierce!

Qiao Lu really ignored the Zerg's ability to adapt to evolution, which is the most terrifying thing about them.

I didn't expect that in just a few hours of fighting, the swarm could produce new variants, and it was really a mistake to use a nuclear bomb that would produce a large amount of radioactive material to wash the ground.

The powerful mutated thunderbeast is about to join the battlefield, and the next battle will undoubtedly be even tougher.

At this moment, the good news came from the command of the coalition government: "The insects in the nearby city have been cleaned up, and the energy transmission of the planetary engine prism tower is ready at any time!" ”

Qiao Lu finally waited for this moment, although the Zerg was able to adapt to evolution, the Wandering Earth had not yet exhausted its hole cards.

The Shanghai Fortress is not the only one on the wandering earth, what the swarm needs to face is the ultimate weapon built with the strength of all mankind!